Home / 838,291.74-1,256,732.28-364,620.33

Finding the Fourth Proportional to 838,291.74, 1,256,732.28 and 364,620.33

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Solution

The fourth proportional to 838,291.74, 1,256,732.28 and 364,620.33 is: 546,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,291.74 : 1,256,732.28 = 364,620.33 : x
  2. Step 2: Convert to fraction form
    838,291.74/1,256,732.28 = 364,620.33/x
  3. Step 3: Cross multiply
    838,291.74x = 1,256,732.28 × 364,620.33
  4. Step 4: Simplify right side
    838,291.74x = 458,230,138,655.25
  5. Step 5: Solve for x
    x = 458,230,138,655.25/838,291.74
  6. Step 6: Final answer
    x = 546,623.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.